123 lines
4.7 KiB
C
123 lines
4.7 KiB
C
/*BHEADER**********************************************************************
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* Copyright (c) 2008, Lawrence Livermore National Security, LLC.
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* Produced at the Lawrence Livermore National Laboratory.
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* This file is part of HYPRE. See file COPYRIGHT for details.
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*
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* HYPRE is free software; you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License (as published by the Free
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* Software Foundation) version 2.1 dated February 1999.
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*
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* $Revision$
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***********************************************************************EHEADER*/
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/******************************************************************************
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*
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* Relaxation scheme
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*
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*****************************************************************************/
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#include "headers.h"
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/*--------------------------------------------------------------------------
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* hypre_BoomerAMGRelax
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*--------------------------------------------------------------------------*/
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int hypre_BoomerAMGRelaxIF( hypre_ParCSRMatrix *A,
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hypre_ParVector *f,
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int *cf_marker,
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int relax_type,
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int relax_order,
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int cycle_type,
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double relax_weight,
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double omega,
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hypre_ParVector *u,
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hypre_ParVector *Vtemp )
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{
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int i, Solve_err_flag = 0;
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int relax_points[2];
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if (relax_order == 1 && cycle_type < 3)
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{
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if (cycle_type < 2)
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{
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relax_points[0] = 1;
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relax_points[1] = -1;
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}
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else
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{
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relax_points[0] = -1;
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relax_points[1] = 1;
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}
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/* if (relax_type == 6)
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{
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Solve_err_flag = hypre_BoomerAMGRelax(A,
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f,
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cf_marker,
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3,
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relax_points[0],
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relax_weight,
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omega,
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u,
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Vtemp);
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Solve_err_flag = hypre_BoomerAMGRelax(A,
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f,
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cf_marker,
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4,
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relax_points[0],
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relax_weight,
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omega,
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u,
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Vtemp);
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Solve_err_flag = hypre_BoomerAMGRelax(A,
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f,
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cf_marker,
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4,
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relax_points[1],
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relax_weight,
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omega,
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u,
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Vtemp);
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Solve_err_flag = hypre_BoomerAMGRelax(A,
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f,
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cf_marker,
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3,
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relax_points[1],
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relax_weight,
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omega,
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u,
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Vtemp);
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}
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else */
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{
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for (i=0; i < 2; i++)
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Solve_err_flag = hypre_BoomerAMGRelax(A,
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f,
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cf_marker,
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relax_type,
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relax_points[i],
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relax_weight,
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omega,
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u,
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Vtemp);
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}
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}
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else
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{
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Solve_err_flag = hypre_BoomerAMGRelax(A,
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f,
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cf_marker,
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relax_type,
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0,
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relax_weight,
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omega,
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u,
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Vtemp);
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}
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return Solve_err_flag;
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}
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